How can I simulate a resource allocation?
According to what you have stated in your exercise description and understood, this code can be written: D = load('detected.mat...

27 dagar ago | 0

accuracy test higher than training
You can try to employ random selection of the data for training and validation using randperm() or randsample(), for example. A...

27 dagar ago | 0

FOR LOOP ERROR IN MATLAB
[for end] loop is working perfectly ok, but there is an error in your defined function's input arguments. See the corrections: ...

27 dagar ago | 0

Trying to solve equations within ranges
One of the viable solutions is to use symbolic math: syms and solve. clearvars; clc x1=-2; x2=2; y1=-2.1; y2=2.1; x = x1:0.1...

27 dagar ago | 0

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adding column ( cell) to matrix
x = (1:5).'; % Vector F1 = categorical({'A'; 'B'; 'C'; 'D'; 'E'}); % Cell Categorical Array F2 = ...

27 dagar ago | 0

How do I estimation of the means of a random variable?
% lower and upper bounds of the Uniform random variable X: a= 0; b = 2; % True values of the mean and variance of X: m = (b-...

27 dagar ago | 0

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How to retrieve the index of positions starting with a specific character in a cell array?
x1 = 5000; x2 = 3000; x3 = 1000; x4 = 800; x5 = 500; array1 = ([x1,x2,x3,x4,x5]).'; array2 = categorical({'A1';'A2';'B1'...

27 dagar ago | 0

adding column ( cell) to matrix
WHat you are trying to do is to augment all variables into one array, correct? In this case, table array might be a good one, e....

27 dagar ago | 0

How do I estimation of the means of a random variable?
In order to generate a normally distributed random numbers, you can employ clc; clearvars; close all Npop = 7.5e2; ...

27 dagar ago | 0

Solve second order non linear differential equation
You can try a builtin fcn: bvp4c(). Here is a nice documentation on bvp4c() with examples: https://www.mathworks.com/help/matlab...

27 dagar ago | 0

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How do I put annotation text pointing towards specific coordinate?
Here you can use the values of c to place where you want your annotation to be displayed along with the arrow. E.g.: ... c={A...

27 dagar ago | 0

adding column ( cell) to matrix
x = 1:25; % Vector F = {x} % Cell Array H = x + F{:}

28 dagar ago | 0

change the origin of a graph
x = 1:13; y = 2*x+3; plot(x, y, 'r*--'), grid on set(gca, 'YDir','reverse'), xlabel('x'), ylabel('y')

28 dagar ago | 0

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How can I create a stacked bar graph with the following chart?
A = {'Fastball_{Ball}'; 'Curveball_{Strike}'; 'Fastball_{Strike}'; 'Curveball_{Ball}'}; A = categorical(A); C = [10;15;20;25]...

28 dagar ago | 0

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I want to change y interval from 100 to 200 (0, 200, 400...) & mark in x axis (0,1,2,3...) please guide
E=[0:1:10]; E=[1:1:9]; Q=[65 160 300 420 550 678 763 840 882]; plot(E,Q,'-r*') axis([0,10,0,1000]) grid on xticklabels({'0...

28 dagar ago | 0

Symbolic Solver dot indexing error and general understanding
Because your equations don't have solutions, i.e.: ... solve(eqn1(1,1), eqn(1,2)) % Check

28 dagar ago | 0

problems with integration tolerances when using ode15s
The answer lies in magnitudes of the calculated (integration) values of the variables that don't allow to have the set tolerance...

28 dagar ago | 0

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I want to change y interval from 100 to 200 (0, 200, 400...) & mark in x axis (0,1,2,3...) please guide
Use xticks(), yticks(), xticklabels(), yticklabels(), e.g.: S =@(t) 10*t.^2+2*t+10; fplot(S, [0, 10], 'r-*'), grid on; xticks(...

28 dagar ago | 0

How do i normalize a signal so that it's maximum is 1?
t=linspace(0, 2, 1e3); f1 = 5; f2 = 10; S = cos(2*pi*f1*t)+sin(2*pi*f2*t)+rand(size(t))/5; subplot(211) plot(t,S), title('O...

28 dagar ago | 0

How to duplicate rows of a matrix if the number of copies for each row are different?
It can be done in a few different ways, e.g.: A = magic(3) b = [2, 4, 5]; AA = [repmat(A(1,:), b(1),1);repmat(A(2,:), b(2),1)...

28 dagar ago | 0

Equations to Matrix Solve
This exercises can be solved realtively easy using some symbolic toolbox fcns such as coeffs(). See this doc: https://www.mathw...

28 dagar ago | 0

How to convert this function of one variable into MATLAB code?
You have done a good job, but there are a couple of small (imperative) points to consider - to take out real and imaginary parts...

29 dagar ago | 0

How to plot transcendental equation?
clc clearvars close all nf= 1.3; ns=1.5; nc=1; rho=1; hf=2; lambda = 100:350; m=1; syms neff phi_c = - atand((nf/nc...

ungefär en månad ago | 0

How to update during ODE45
This can be computed with a [for .. end] loop, e.g.: clc; clearvars w = ...; Trq = 10*w; % E.g. w_0 = -1.5; % E.g. J = 1...

ungefär en månad ago | 0

How to solve a differential equation system with time and space derivates? Where to write (i, j) (i-1, j) (i, j-1)?
First, that would be nice for simulation speed to suppress to display the results. To do that you'd need to put semicolon at the...

ungefär en månad ago | 1

feature selection for regression
Test and study these posts and codes posted on MATHWORKS: https://www.mathworks.com/discovery/feature-selection.html?s_tid=answ...

ungefär en månad ago | 0

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modifying the legend for multiple plots
You should introduce a new cell variable with legend names as you specified, e.g.: TimeInterval = [{'0:00am- 3:00am'}, {'3:00am...

ungefär en månad ago | 0

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I have 5 nonlinear algebraic equations with many terms, fsolve command is ineffective in solving these nonlinear equations.
It is worth to employ here optim options of fsolve(), e.g.: optimoptions() with fmincon, lsqnonlin, fminunc. See the help doc: ...

ungefär en månad ago | 0